Toshiba strata CT Installation & Maintenance Manual page 220

Peripheral Installation
Zone Paging with BGM (Multiple Amplifiers)
Provides multiple-zone paging capability (same as
Page
➤
To install zone and night ringing with multiple amplifiers
1.
2.
3.
4.
5.
H
C
6-32
6-28) but separate amplifiers are used for each zone.
Connect the inputs from the paging amplifiers to pins 13 (SPR) and 38 (SPT) of the
PIOU (see Figure 6-19).
Connect the music source to the music amplifier input.
Connect the paging amplifier outputs to "M" of the PIOU Relays K1~K4 and to "C" of
zone 1 through zone 4 speakers.
Connect the music amplifier output to terminal 23 (PG COMMON) of the PIOU, and to
the "C" terminal of zone 1 through zone 4 speakers.
Connect zone 1 through zone 4 speakers "A" terminal to the "B" contact of the PIOU
relays K1~K4, respectively.
"External Page Option Installation" on
Strata CT I&M Manual October 2000